obs = m.find("Observer", {"name": "%Frank%"}).all()
print obs[0].data
import pdb
pdb.set_trace()
#print m.find_with("Session").parent(m.find("Observer", {"name": ["%Alex%", "%Frank%"]})).all()
from xdapy.operators import gt, lt
#trials = m.find_with("Trial", {"_id": lambda id: id*id < 300}).parent(m.find_with("Session", {"_id": lt(300)}).parent(m.find("Observer", {"name": "%Alex%"}))).all()
trials = m.find_with("Trial", {"_id": lambda id: id*id < 300,
"_parent": ("Session", {"_id": lt(300), "_parent": ("Observer", {"name": "%Alex%"})}),
"_with": lambda entity: entity.id != 10})
# find_complex is more powerful but does not use SQLAlchemy
trials2 = m.find_complex("Trial", {"_id": lambda id: id*id < 300,
"_any": [{"_parent": ("Session", {"_id": lt(300), "_parent": ("Observer", {"name": "%Alex%"})})}, # %Alex% will not work
{"_parent": ("Session", {"_id": lt(300), "_parent": ("Observer", {"name": "Alexander"})})}
],
"_with": lambda entity: entity.id != 10})
for t in trials:
print t, t.parent.parent
print "..."
